For 2 weeks in September and October a year ago, hints of the humanmade isotope ruthenium-106 drifted crosswise over Europe, activating identifiers from Norway to Greece and Ukraine to Switzerland. The radioactive cloud was too thin to possibly be hazardous, containing close…

SpaceX CEO Elon Musk snatched the world’s consideration a week ago in the wake of propelling his Tesla Roadster into space. In any case, his exposure stunt has a half-life path past even what he could envision—the Roadster should keep on orbiting…

Kicking the bucket, it turns out, isn’t care for flipping a switch. Qualities continue working for some time after a man bites the dust, and researchers have utilized that movement in the lab to pinpoint the time of death to inside around…

There’s a planet simply adjacent that could clarify the birthplaces of life in the universe. It was presumably once canvassed in seas (SN Online: 8/1/17). It might have been tenable for billions of years (SN Online: 8/26/16). Stargazers are urgent to arrive…